Strategically build towers and defend your base from waves of crazy Hamaliens. Born from peace and sealed with Tower Defense lines, the Ancient Planet is no match for the armed-to-teeth aliens from Hamaland. Except if you step in game and save the day? Are you able to build towers and place traps so you would prevent the incoming aliens from destroying the land? Give it a try to find out! Use the Mouse to build and upgrade towers.